package com.planet_ink.coffee_mud.Common; import com.planet_ink.coffee_mud.core.interfaces.*; import com.planet_ink.coffee_mud.core.interfaces.ItemPossessor.Expire; import com.planet_ink.coffee_mud.core.threads.ServiceEngine; import com.planet_ink.coffee_mud.core.*; import com.planet_ink.coffee_mud.core.collections.*; import com.planet_ink.coffee_mud.Abilities.interfaces.*; import com.planet_ink.coffee_mud.Areas.interfaces.*; import com.planet_ink.coffee_mud.Behaviors.interfaces.*; import com.planet_ink.coffee_mud.CharClasses.interfaces.*; import com.planet_ink.coffee_mud.Commands.interfaces.*; import com.planet_ink.coffee_mud.Common.interfaces.*; import com.planet_ink.coffee_mud.Common.interfaces.Clan.Function; import com.planet_ink.coffee_mud.Common.interfaces.Clan.Authority; import com.planet_ink.coffee_mud.Common.interfaces.Clan.ClanVote; import com.planet_ink.coffee_mud.Common.interfaces.Clan.MemberRecord; import com.planet_ink.coffee_mud.Exits.interfaces.*; import com.planet_ink.coffee_mud.Items.interfaces.*; import com.planet_ink.coffee_mud.Libraries.interfaces.*; import com.planet_ink.coffee_mud.Libraries.interfaces.DatabaseEngine.PlayerData; import com.planet_ink.coffee_mud.Locales.interfaces.*; import com.planet_ink.coffee_mud.MOBS.interfaces.*; import com.planet_ink.coffee_mud.Races.StdRace; import com.planet_ink.coffee_mud.Races.interfaces.*; import java.lang.ref.WeakReference; import java.util.*; /* Copyright 2011-2019 Bo Zimmerman Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. */ /** * Abstract collection of item objects, complete with some * finders and various accessors. Also, the copyOf method * does a deep copy. Also, this is a weak item collection, * so as items get destroyed, they disappear from here. */ public class WeakItemCollection implements ItemCollection, CMCommon { private final SVector<WeakReference<Item>> innerContents=new SVector<WeakReference<Item>>(0); private final ConvertingList<WeakReference<Item>,Item> contents = new ConvertingList<WeakReference<Item>,Item>(innerContents, new Converter<WeakReference<Item>,Item>() { @Override public Item convert(final WeakReference<Item> obj) { return obj.get(); } }); @Override public String ID() { return "WeakItemCollection"; } @Override public String name() { return ID(); } @Override public CMObject copyOf() { final WeakItemCollection c=(WeakItemCollection)newInstance(); for(int i=0;i<contents.size();i++) { final Item I=contents.get(i); if(I!=null) { final Item I2=(Item)I.copyOf(); I2.setOwner(I.owner()); c.innerContents.add(new WeakReference<Item>(I2)); } } for(int i=0;i<contents.size();i++) { final Item I=contents.get(i); final Item I2=c.contents.get(i); if((I!=null)&&(I2!=null)) { if(I.container() != null) { for(int i2=0;i2<contents.size();i2++) { if(I.container() == contents.get(i2)) { I2.setContainer((Container)c.contents.get(i2)); break; } } } } } return c; } @Override public void initializeClass() { } @Override public CMObject newInstance() { return new WeakItemCollection(); } @Override public int compareTo(final CMObject o) { return o==this?0:1; } @Override public Item findItem(final String itemID) { Item item=(Item)CMLib.english().fetchEnvironmental(contents,itemID,true); if(item==null) item=(Item)CMLib.english().fetchEnvironmental(contents,itemID,false); return item; } @Override public Enumeration<Item> items() { return new IteratorEnumeration<Item>(contents.iterator()); } @Override public Item findItem(final Item goodLocation, final String itemID) { Item item=CMLib.english().fetchAvailableItem(contents,itemID,goodLocation,Wearable.FILTER_ANY,true); if(item==null) item=CMLib.english().fetchAvailableItem(contents,itemID,goodLocation,Wearable.FILTER_ANY,false); return item; } @Override public List<Item> findItems(final Item goodLocation, final String itemID) { List<Item> items=CMLib.english().fetchAvailableItems(contents,itemID,goodLocation,Wearable.FILTER_ANY,true); if(items.size()==0) items=CMLib.english().fetchAvailableItems(contents,itemID,goodLocation,Wearable.FILTER_ANY,false); return items; } @SuppressWarnings("unchecked") @Override public List<Item> findItems(final String itemID) { @SuppressWarnings("rawtypes") List items=CMLib.english().fetchEnvironmentals(contents,itemID,true); if(items.size()==0) items=CMLib.english().fetchEnvironmentals(contents,itemID, false); return items; } @Override public void addItem(final Item item) { if((item!=null)&&(!item.amDestroyed())) innerContents.addElement(new WeakReference<Item>(item)); } @Override public void delItem(final Item item) { for(int i=contents.size()-1;i>=0;i--) { final Item I=getItem(i); if(I==item) { innerContents.remove(i); break; } else if(I==null) { try { innerContents.remove(i); } catch (final java.lang.ArrayIndexOutOfBoundsException x) { } } } } @Override public void delAllItems(final boolean destroy) { if(destroy) { for(int i=numItems()-1;i>=0;i--) { final Item I=getItem(i); if(I!=null) I.destroy(); } } innerContents.clear(); } @Override public int numItems() { return contents.size(); } @Override public boolean isContent(final Item item) { for(int i=contents.size()-1;i>=0;i--) { final Item I=getItem(i); if(I==item) return true; if(I==null) { try { innerContents.remove(i); } catch(final java.lang.ArrayIndexOutOfBoundsException x) { } } } return false; } @Override public Item getItem(final int i) { try { final Item I=contents.get(i); if(I==null) innerContents.remove(i); else return I; } catch(final java.lang.ArrayIndexOutOfBoundsException x) { } return null; } @Override public void eachItem(final EachApplicable<Item> applier) { final List<Item> contents=this.contents; if(contents!=null) try { for(int a=0;a<contents.size();a++) { final Item I=contents.get(a); if(I!=null) applier.apply(I); else { try { innerContents.remove(a); } catch(final java.lang.ArrayIndexOutOfBoundsException x) { } } } } catch(final ArrayIndexOutOfBoundsException e) { } } @Override public Item getRandomItem() { if(numItems()==0) return null; return getItem(CMLib.dice().roll(1,numItems(),-1)); } }